[INFO] cloning repository https://github.com/kevinringier/lock-free-queue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinringier/lock-free-queue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinringier%2Flock-free-queue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinringier%2Flock-free-queue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5550c2de8badc8fb000deb4b5f7125841c9aff2
[INFO] checking kevinringier/lock-free-queue against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinringier%2Flock-free-queue" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kevinringier/lock-free-queue on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kevinringier/lock-free-queue
[INFO] finished tweaking git repo https://github.com/kevinringier/lock-free-queue
[INFO] tweaked toml for git repo https://github.com/kevinringier/lock-free-queue written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kevinringier/lock-free-queue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a0e11aa2ebe6da316d4aab700692621498a166a80319b40422a60e9c027c818
[INFO] running `Command { std: "docker" "start" "-a" "5a0e11aa2ebe6da316d4aab700692621498a166a80319b40422a60e9c027c818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a0e11aa2ebe6da316d4aab700692621498a166a80319b40422a60e9c027c818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0e11aa2ebe6da316d4aab700692621498a166a80319b40422a60e9c027c818", kill_on_drop: false }`
[INFO] [stdout] 5a0e11aa2ebe6da316d4aab700692621498a166a80319b40422a60e9c027c818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 024cef603eedc12ada1d80b32d41fe076e05ec4fb5cdc8ad8e0beef1bdbd15ff
[INFO] running `Command { std: "docker" "start" "-a" "024cef603eedc12ada1d80b32d41fe076e05ec4fb5cdc8ad8e0beef1bdbd15ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking ctrlc v3.4.2
[INFO] [stderr]     Checking lock-free-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/lib.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 361 |     'cycle_thread: loop {
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/lib.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 361 |     'cycle_thread: loop {
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `are_senders_blocked` is never used
[INFO] [stdout]   --> src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | / impl<T, const SIZE: usize> Queue<T, SIZE>
[INFO] [stdout] 32 | | where
[INFO] [stdout] 33 | |     T: Default,
[INFO] [stdout]    | |_______________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |       fn are_senders_blocked(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SendersBlocked` is never constructed
[INFO] [stdout]    --> src/lib.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 250 | enum QueueState {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] 251 |     Healthy,
[INFO] [stdout] 252 |     SendersBlocked,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `QueueState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pv_test_expanded` is never used
[INFO] [stdout]    --> src/lib.rs:360:4
[INFO] [stdout]     |
[INFO] [stdout] 360 | fn pv_test_expanded(s: AtomicIsize, critical_section: impl Fn()) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `are_senders_blocked` is never used
[INFO] [stdout]   --> src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | / impl<T, const SIZE: usize> Queue<T, SIZE>
[INFO] [stdout] 32 | | where
[INFO] [stdout] 33 | |     T: Default,
[INFO] [stdout]    | |_______________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |       fn are_senders_blocked(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SendersBlocked` is never constructed
[INFO] [stdout]    --> src/lib.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 250 | enum QueueState {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] 251 |     Healthy,
[INFO] [stdout] 252 |     SendersBlocked,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `QueueState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pv_test_expanded` is never used
[INFO] [stdout]    --> src/lib.rs:360:4
[INFO] [stdout]     |
[INFO] [stdout] 360 | fn pv_test_expanded(s: AtomicIsize, critical_section: impl Fn()) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "024cef603eedc12ada1d80b32d41fe076e05ec4fb5cdc8ad8e0beef1bdbd15ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024cef603eedc12ada1d80b32d41fe076e05ec4fb5cdc8ad8e0beef1bdbd15ff", kill_on_drop: false }`
[INFO] [stdout] 024cef603eedc12ada1d80b32d41fe076e05ec4fb5cdc8ad8e0beef1bdbd15ff
[INFO] checking kevinringier/lock-free-queue against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinringier%2Flock-free-queue" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kevinringier/lock-free-queue on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kevinringier/lock-free-queue
[INFO] finished tweaking git repo https://github.com/kevinringier/lock-free-queue
[INFO] tweaked toml for git repo https://github.com/kevinringier/lock-free-queue written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kevinringier/lock-free-queue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09aba7e197b3ae04c05f46a496eafaffb86a6fa967d5453f914bf260fcb52abb
[INFO] running `Command { std: "docker" "start" "-a" "09aba7e197b3ae04c05f46a496eafaffb86a6fa967d5453f914bf260fcb52abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09aba7e197b3ae04c05f46a496eafaffb86a6fa967d5453f914bf260fcb52abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09aba7e197b3ae04c05f46a496eafaffb86a6fa967d5453f914bf260fcb52abb", kill_on_drop: false }`
[INFO] [stdout] 09aba7e197b3ae04c05f46a496eafaffb86a6fa967d5453f914bf260fcb52abb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e96cf809493481a5e5eecf580a5f2cb902953eb24ba2d377c628c7715304e18
[INFO] running `Command { std: "docker" "start" "-a" "5e96cf809493481a5e5eecf580a5f2cb902953eb24ba2d377c628c7715304e18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking ctrlc v3.4.2
[INFO] [stderr]     Checking lock-free-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/lib.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 361 |     'cycle_thread: loop {
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/lib.rs:361:5
[INFO] [stdout]     |
[INFO] [stdout] 361 |     'cycle_thread: loop {
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `are_senders_blocked` is never used
[INFO] [stdout]   --> src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | / impl<T, const SIZE: usize> Queue<T, SIZE>
[INFO] [stdout] 32 | | where
[INFO] [stdout] 33 | |     T: Default,
[INFO] [stdout]    | |_______________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |       fn are_senders_blocked(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SendersBlocked` is never constructed
[INFO] [stdout]    --> src/lib.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 250 | enum QueueState {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] 251 |     Healthy,
[INFO] [stdout] 252 |     SendersBlocked,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `QueueState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pv_test_expanded` is never used
[INFO] [stdout]    --> src/lib.rs:360:4
[INFO] [stdout]     |
[INFO] [stdout] 360 | fn pv_test_expanded(s: AtomicIsize, critical_section: impl Fn()) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `are_senders_blocked` is never used
[INFO] [stdout]   --> src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | / impl<T, const SIZE: usize> Queue<T, SIZE>
[INFO] [stdout] 32 | | where
[INFO] [stdout] 33 | |     T: Default,
[INFO] [stdout]    | |_______________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |       fn are_senders_blocked(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SendersBlocked` is never constructed
[INFO] [stdout]    --> src/lib.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 250 | enum QueueState {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] 251 |     Healthy,
[INFO] [stdout] 252 |     SendersBlocked,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `QueueState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pv_test_expanded` is never used
[INFO] [stdout]    --> src/lib.rs:360:4
[INFO] [stdout]     |
[INFO] [stdout] 360 | fn pv_test_expanded(s: AtomicIsize, critical_section: impl Fn()) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "5e96cf809493481a5e5eecf580a5f2cb902953eb24ba2d377c628c7715304e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e96cf809493481a5e5eecf580a5f2cb902953eb24ba2d377c628c7715304e18", kill_on_drop: false }`
[INFO] [stdout] 5e96cf809493481a5e5eecf580a5f2cb902953eb24ba2d377c628c7715304e18